#218A7A#218A7A

#218A7A is a mid, moderate teal. Relative luminance 0.199; OKLCH L 57.2% C 0.095 H 180.0°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#218A7A
RGB	rgb(33, 138, 122)
HSL	hsl(171, 61%, 34%)
HSV	hsv(171, 76%, 54%)
CMYK	cmyk(76.1%, 0%, 11.6%, 45.9%)
CIE-LAB	lab(51.73, -32.83, 0.21)
CIE-LCH	lch(51.73, 32.83, 179.63°)
OKLab	oklab(57.2% -0.0949 0)
OKLCH	oklch(57.2% 0.095 180)
XYZ	xyz(13.2268, 19.9038, 21.5533)
Luminance	0.1991 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A7A #8A2131

analogous

#218A45 #218A7A #21658A

triadic

#218A7A #7A218A #8A7A21

tetradic

#218A7A #45218A #8A2131 #658A21

square

#218A7A #45218A #8A2131 #658A21

split-complementary

#218A7A #8A2165 #8A4521

monochromatic

#092723 #15594E #218A7A #2DBBA6 #50D5C1

Accessibility & contrast

On white

4.22

#218A7A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#218A7A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A7A

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A7A	#FFFFFF	#000000	##000000
##218A7A	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#848179

Deuteranopia (green-blind)

#76777B

Tritanopia (blue-blind)

#008C85

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #218a7a;
/* rgb */ color: rgb(33, 138, 122);
/* oklch */ color: oklch(57.2% 0.095 180.0);

Tailwind

colors: {
  custom: {
    50: '#6eada0',
    500: '#218a7a',
    950: '#000000',
  },
}

SCSS

$custom: #218a7a;
$custom-light: #6eada0;
$custom-dark: #000000;

JSON

{
  "hex": "#218a7a",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 122
  },
  "hsl": {
    "h": 170.857,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.57197,
    "c": 0.09489,
    "h": 180
  },
  "luminance": 0.19905
}

Semantic roles & 50–950 ramp

primary

#218A7A

secondary

#B94E5E

accent

#435CE5

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#08100E

muted

#7B7F7E

Preview Lab

Preview with #218A7A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →